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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Parturition is controlled by...






2. The more stressed out the male is - the less sperm he is going to produce






3. Look for infection - split - and rupture of the penis






4. Allows extension of penis without fibro-elastic penis






5. 1. need to be restricted in amt of grain - 2. no more than 70% of ration can be concentrates. 3. *Acidic acid has to be produced in order for milk synthesis to occur (30% forages)






6. Animals which have only one estrous cycle (ex: dog - fox)






7. Failure to have both testis (gonads) descend






8. Constitute 50-90% of the volume of the ejaculate. (3 glands total: seminal vesicles - prostate gland - cowper's gland)






9. Can produce 200 calves naturally (~100 bulls) - top 1-2% will grade like him. everything left to chance if no AI performed






10. Reproduction. more offspring leads to more feed costs - but is offset by reproduction numbers






11. (LH) causes female's egg to break (her period)






12. Urinary calculi.






13. Animals which have only one estrous cycle (ex: dog - fox)






14. 1. bring in new genes - 2. replace males with leg problems (difficulty breeding) Note: culling has a much greater emphasis in the dairy industry vs the beef industry.






15. Earlier you castrate a male - the easier it is on the animal. the longer you wait - death rates increase






16. Important 'landmark' during palpation






17. Why Dairy calves are fed powdered milk.






18. 1. brain function - 2. blood flow - 3. willing female






19. So when offspring are born - there is more food to be found for energy stores and fat deposits IN THE SPRING






20. Way to know everything is alright with the breeding male






21. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






22. Standing to be mounted (last one able to notice); mounting other animals; social behavior-restless - gregarious - activity - vocalizing; frequent urination; mucous discharge






23. When are dairy cattle dehorned?






24. Implies the amount of estrogen production






25. ~305 days (altough often longer due to breeding difficulties)






26. (switzerland) 2nd in size and milk production - most muscle -






27. Days which have decreasing daylight hours

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28. BST given to dairy cattle makes the mammary gland more persistent - helps produce more milk. good as Long-term because it does not cause cow to bulk up - provides more milk/cow Which means less cows needed - less cows need to be given feed - lower co






29. 1-2 days






30. Duct which connects epididymis to urethra of the penis. transports sperm at ejaculation. cut to sterilize male.






31. 283 days






32. Animal which has been castrated after puberty






33. (from Jersey Islands in Great Britain) Smallest cow - least milk - highest butterfat %






34. 14-19 (17) days






35. Reproduction. more offspring leads to more feed costs - but is offset by reproduction numbers






36. Luteolysis happens because of the ____________ hormone






37. Milk is 15% ________ and 85% __________.






38. Larger the cow - more milk is produced; smaller the cow - less milk is produced






39. Gonadotropic (GnRH) is (FSH and LH). Follical Stimulating (FSH) and Lutinizing Hormone (LH).






40. Days which have increasing daylight hours

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41. S-shaped inside body - relaxes to be exposed for breeding. Disadvantges: muscles weaken with age - cannot always hold it in - exposed to harsh outside conditions or stepped on.

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42. (male) Primary sex organ - produces sperm (male gamete) and male sex hormones - 2 total






43. Indicator of sperm production. the bigger the scrotal circumference the bigger volume of sperm because more seminal vesicles available to produce the sperm






44. Head - neck - mid-piece - tail. genetic material - has an enzyme covering that allows it to penetrate the egg






45. Front feet and head first. (except for hogs and dogs)






46. 336 days






47. Castration tool that uses a band around the testicles which cuts off circulation and eventually the testicles fall off






48. ~305 days (altough often longer due to breeding difficulties)






49. 26 hours after estrus begins






50. Prevent the cow from getting an infection from the calve







Sorry!:) No result found.

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